Resolving power and sensitivity in modulation transfer stimulated resonant Raman spectroscopy

We show that the lineshape and size of the detected signal in ultra-high-resolution stimulated Raman spectroscopy computed from a general expression of the modulated signal are in good agreement with the experimental results. Using the theoretical expression of the signal, we analyze the resolving p...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 2001-06, Vol.37 (6), p.837-843
Main Authors: du Burck, F., Wallerand, J.-P., Mercier, B., Goncharov, A.N., Himbert, M., Borde, C.J.
Format: Article
Language:English
Subjects:
Argon
Collisions
Computation
Genetic expression
Laser beams
Laser noise
Laser theory
Modulation
Quantum electronics
Raman scattering
Raman spectroscopy
Resolution
Resonance
Signal detection
Signal resolution
Spectrometers
Spectroscopy
Transit time
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Summary:We show that the lineshape and size of the detected signal in ultra-high-resolution stimulated Raman spectroscopy computed from a general expression of the modulated signal are in good agreement with the experimental results. Using the theoretical expression of the signal, we analyze the resolving power and the sensitivity of our Raman spectrometer. We show that a second harmonic detection in high-frequency transfer modulation generates a lineshape without modulation broadening. A 2.6-kHz-wide resonance has been obtained with iodine, mainly limited by both the transit time and collisions.
ISSN:0018-9197
1558-1713
DOI:10.1109/3.922783